Torment
Middle English (as both noun and verb referring to the infliction or suffering of torture): Old French torment (noun), tormenter (verb), from Latin tormentum ‘instrument of torture’, from torquere ‘to twist’.
wiktionary
From Middle English torment, from Old French torment, from Latin tormentum(“something operated by twisting”), from torquere(“to twist”).
etymonline
torment (n.)
c. 1300, "the inflicting of torture," also "state of great suffering, pain, distress," from Old French torment "torture, pain, anguish, suffering distress" (11c., Modern French tourment), from Latin tormentum "twisted cord, sling; clothes-press; instrument for hurling stones," also "instrument of torture, a rack," figuratively "anguish, pain, torment," from torquere "to twist" (from PIE root *terkw- "to twist").
torment (v.)
c. 1300, "inflict torture on, distress," from Old French tormenter "torture, torment, oppress, agitate" (12c.), from Medieval Latin tormentare "to torment, to twist," from Latin tormentum "twisted cord, sling; clothes-press; instrument for hurling stones," also "instrument of torture, a rack," figuratively "anguish, pain, torment," from torquere "to twist" (from PIE root *terkw- "to twist"). Related: Tormented; tormenting.